{
\def\sym#1{\ifmmode^{#1}\else\(^{#1}\)\fi}
\begin{longtable}{l*{8}{c}}
\caption{Robust: Regressions Without Top and Bottom 5\% Counties in 1930-40 Population Change. \label{tab:migrate}}\\
\hline\hline\endfirsthead\hline\endhead\hline\endfoot\endlastfoot
                &\multicolumn{4}{c}{OLS}                                                    &\multicolumn{4}{c}{2SLS}                                                   \\\cmidrule(lr){2-5}\cmidrule(lr){6-9}
                &\multicolumn{1}{c}{(1)}         &\multicolumn{1}{c}{(2)}         &\multicolumn{1}{c}{(3)}         &\multicolumn{1}{c}{(4)}         &\multicolumn{1}{c}{(5)}         &\multicolumn{1}{c}{(6)}         &\multicolumn{1}{c}{(7)}         &\multicolumn{1}{c}{(8)}         \\
                &War bonds         &Volunteers         &   Medals         &      PCA         &War bonds         &Volunteers         &   Medals         &      PCA         \\
\hline
Agricultural support&    0.140\sym{***}&    0.039\sym{***}&    0.012\sym{***}&    0.218\sym{***}&    0.331\sym{***}&    0.189\sym{***}&    0.047\sym{***}&    0.807\sym{***}\\
                &  [0.015]         &  [0.008]         &  [0.004]         &  [0.025]         &  [0.068]         &  [0.053]         &  [0.014]         &  [0.133]         \\
WWI volunteering rate&    0.002         &    0.074\sym{***}&    0.031\sym{***}&    0.275\sym{***}&   -0.000         &    0.064\sym{*}  &    0.029\sym{**} &    0.237\sym{**} \\
                &  [0.035]         &  [0.023]         &  [0.011]         &  [0.075]         &  [0.043]         &  [0.033]         &  [0.012]         &  [0.117]         \\
WWI awards per capita&    0.254\sym{***}&    0.143         &    0.037         &    0.646\sym{**} &    0.193\sym{**} &    0.097         &    0.027         &    0.465\sym{*}  \\
                &  [0.083]         &  [0.113]         &  [0.033]         &  [0.294]         &  [0.088]         &  [0.102]         &  [0.032]         &  [0.277]         \\
log 1930 population&   -0.072\sym{***}&   -0.006         &   -0.007         &   -0.115\sym{***}&   -0.035\sym{*}  &    0.024         &    0.000         &    0.001         \\
                &  [0.016]         &  [0.008]         &  [0.005]         &  [0.028]         &  [0.021]         &  [0.017]         &  [0.005]         &  [0.047]         \\
1930 unemployment rate&   -0.230         &    0.445\sym{**} &    0.042         &    0.866\sym{*}  &   -0.051         &    0.545\sym{**} &    0.066         &    1.260         \\
                &  [0.253]         &  [0.177]         &  [0.065]         &  [0.520]         &  [0.265]         &  [0.263]         &  [0.074]         &  [0.795]         \\
Urban status: 1930&    0.050\sym{**} &    0.015         &    0.004         &    0.125\sym{***}&    0.021         &   -0.014         &   -0.002         &    0.012         \\
                &  [0.020]         &  [0.013]         &  [0.006]         &  [0.042]         &  [0.024]         &  [0.016]         &  [0.007]         &  [0.058]         \\
1930 farm share &   -0.437\sym{***}&   -0.091\sym{*}  &    0.015         &   -0.495\sym{***}&   -0.541\sym{***}&   -0.161\sym{*}  &   -0.001         &   -0.771\sym{**} \\
                &  [0.083]         &  [0.051]         &  [0.025]         &  [0.180]         &  [0.133]         &  [0.085]         &  [0.030]         &  [0.328]         \\
1929 farm income&    0.081\sym{***}&   -0.032\sym{***}&    0.007         &    0.040         &    0.026         &   -0.083\sym{***}&   -0.005         &   -0.158\sym{*}  \\
                &  [0.019]         &  [0.011]         &  [0.006]         &  [0.039]         &  [0.033]         &  [0.027]         &  [0.009]         &  [0.086]         \\
Mean Democratic vote share: 1898-1928&    0.002\sym{***}&   -0.000         &    0.000         &    0.003\sym{**} &    0.000         &   -0.002\sym{**} &   -0.000         &   -0.004         \\
                &  [0.001]         &  [0.000]         &  [0.000]         &  [0.002]         &  [0.001]         &  [0.001]         &  [0.000]         &  [0.003]         \\
1930 share of men&   -1.543\sym{**} &   -0.933\sym{**} &   -0.262         &   -4.819\sym{***}&   -1.280         &   -0.799         &   -0.231         &   -4.292\sym{**} \\
                &  [0.648]         &  [0.410]         &  [0.254]         &  [1.485]         &  [0.840]         &  [0.562]         &  [0.237]         &  [1.912]         \\
1930 share of blacks&   -0.258\sym{***}&   -0.425\sym{***}&   -0.065\sym{***}&   -1.217\sym{***}&   -0.227\sym{**} &   -0.392\sym{***}&   -0.057\sym{***}&   -1.088\sym{***}\\
                &  [0.086]         &  [0.036]         &  [0.016]         &  [0.124]         &  [0.115]         &  [0.064]         &  [0.018]         &  [0.218]         \\
1930 share of Japaneses&    2.086         &    0.436         &    2.164\sym{***}&   12.676\sym{***}&    2.130         &    1.079         &    2.314\sym{***}&   15.206\sym{***}\\
                &  [1.767]         &  [1.159]         &  [0.656]         &  [4.166]         &  [1.859]         &  [1.584]         &  [0.579]         &  [4.969]         \\
1930 share of Germans&    0.662\sym{***}&   -0.738\sym{***}&   -0.070         &   -0.643         &    0.514\sym{**} &   -0.837\sym{***}&   -0.093         &   -1.036\sym{*}  \\
                &  [0.172]         &  [0.141]         &  [0.066]         &  [0.433]         &  [0.236]         &  [0.165]         &  [0.073]         &  [0.558]         \\
1930 share of Italians&    0.288         &   -0.085         &    0.106         &    0.387         &    0.549         &    0.090         &    0.147         &    1.076         \\
                &  [0.453]         &  [0.233]         &  [0.134]         &  [0.913]         &  [0.555]         &  [0.313]         &  [0.171]         &  [1.333]         \\
1930 share of veterans&    0.762\sym{**} &    1.740\sym{***}&    0.230\sym{**} &    4.458\sym{***}&    0.512         &    1.530\sym{***}&    0.181         &    3.633\sym{***}\\
                &  [0.346]         &  [0.238]         &  [0.116]         &  [0.837]         &  [0.388]         &  [0.312]         &  [0.131]         &  [1.164]         \\
log 1939 average wage&    0.566\sym{***}&    0.185\sym{***}&    0.057\sym{***}&    1.091\sym{***}&    0.512\sym{***}&    0.156\sym{***}&    0.050\sym{***}&    0.976\sym{***}\\
                &  [0.059]         &  [0.032]         &  [0.016]         &  [0.113]         &  [0.065]         &  [0.046]         &  [0.017]         &  [0.149]         \\
WII war contract per capita&    0.269\sym{***}&   -0.038\sym{***}&    0.003         &    0.212\sym{***}&    0.271\sym{***}&   -0.038\sym{***}&    0.004         &    0.214\sym{***}\\
                &  [0.023]         &  [0.008]         &  [0.004]         &  [0.032]         &  [0.025]         &  [0.011]         &  [0.004]         &  [0.041]         \\
State FE (48)   &      Yes         &      Yes         &      Yes         &      Yes         &      Yes         &      Yes         &      Yes         &      Yes         \\
\hline
\(R^{2}\)       &    0.704         &    0.632         &    0.194         &    0.691         &    0.666         &    0.528         &    0.144         &    0.567         \\
Mean dependent variable&    4.632         &    0.616         &    0.135         &   -0.083         &    4.632         &    0.616         &    0.135         &   -0.083         \\
Rubin-Anderson test (p-value)&                  &                  &                  &                  &    0.000         &    0.017         &    0.002         &    0.000         \\
Observations    &     2730         &     2143         &     2143         &     2143         &     2730         &     2143         &     2143         &     2143         \\
\hline\hline
\end{longtable}
}
